Strainers Index. General information page Introduction 328. Product information. Fittings BA-001 page 327

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1 Index General information page Introduction 328 Product information page BSP female threaded, bronze 329 Standard type 330 ight construction; small straining surface 331 BSP female threaded, cast iron Pressure rating PN BSP female threaded, steel Pressure rating PN BSP female threaded, stainless steel 334 ight construction; small straining surface 335 Pressure rating PN DIN flanges, bronze Pressure rating PN DIN flanges, (ductile) cast iron and steel Pressure rating PN 16 / 25 / DIN flanges, stainless steel Pressure rating PN Socket weld, steel Pressure rating PN Socket welding, stainless steel Pressure rating PN ASME flanges, steel Pressure rating 150# - 300# - 600# 342 Temporary page DIN wafer type, stainless steel Easy installation 343 Single basket strainer page DIN flanges, ductile cast iron Pressure rating; PN Duplex strainer page DIN flanges cast iron 345 DN DN Index and product compare Fittings BA-001 page 327

Introduction Strainers form an essential part of any pipeline installation. One of the principal reasons for including strainers in any pipeline installation is protection of process equipment.

2 Introduction Strainers form an essential part of any pipeline installation. One of the principal reasons for including strainers in any pipeline installation is protection of process equipment. Especially during start-up of a new installation, significant volumes of particles such as welding debris, pieces of gasket and corrosion can cause damage to fitted valves and other equipment. In addition, strainers may be used for medium-related or production requirements. In order for an installation to maintain functioning reliably, the strainer element of the strainer must be cleaned regularly. When selecting a strainer, it is important to determine the debris loading. The available surface area of the strainer element and the chosen perforation size play a major part in this selection. The smaller the surface area, and/or the smaller the perforation size, the sooner the strainer will need to be cleaned, in order to reduce the risk of a blockage. The amount of debris in a strainer can be detected by means of differential pressure measurement. In general, the pressure drop across a strainer should not exceed 1 bar. The basic strainer types fall into five categories: strainer This is the most common type, suitable for many applications May be used in horizontal pipelines and vertical pipelines with a downward flow direction. Temporary Strainer This type of strainer is specially intended for use with new installations and should be removed when start-up is completed. Simplex basket strainer The advantage of this type is that the screen basket can be removed without the pipeline completely draining. May only be used in horizontal pipelines. Duplex strainer This type consist of two simplex basket strainers and a diverter valve. This makes it suitable for continuous service. May only be used in horizontal pipelines. Self-cleaning filter This filter type is designed for unmanned and continuous service. Usable in vertical and horizontal pipes. Fittings BA-002 page 328

200 C Standard, fine and coarse strainer element ight construction Small

3 BSP female threaded, bronze Standard type page 330 page 331 " - 3" Max. 16 bar Max. 200 C Standard, fine and coarse strainer element ight construction Small straining surface " - 2" Max. 16 bar Max. 125 C Standard and coarse strainer element Index and product compare Fittings BA page 329

4 BSP female threaded, bronze Econ strainer for general use. BSP female threaded connection acc. to DIN 259, stainless steel strainer element and threaded cap. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Bronze CuSn5Zn5Pb5-C (G-CuSn5ZnPb (Rg 5)) Threaded cap Brass Strainer element Stainless steel X5CrNi Perforation size size Perforation size standard Ø fine Ø coarse Ø " thru 2" " and 3" Maximum operating pressure 16 bar Maximum operating temperature 200 C Ordering code DN ["] Perf. size Standard Fine Coarse Standard type fig " - 3" Max. 16 bar Max. 200 C Standard, fine and coarse strainer element DN Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard perforation size DN Fittings BA page 330

5 BSP female threaded, bronze ight constructed strainer for general use. BSP female thread connection acc. to DIN 259, stainless steel strainer element and threaded cap. Purpose: exceptionally suitable for gases. Suitable for use in horizontal and vertical pipelines with a downward flow direction. Body Bronze CuSn5Zn5Pb5-C (G-CuSn5ZnPb (Rg 5)) Threaded cap Brass Strainer element Stainless steel X5CrNi Perforation size size Perforation size standard Ø coarse Ø " thru 2" Maximum operating pressure 16 bar Maximum operating temperature 125 C Ordering code DN ["] Perf. size Standard Coarse ight construction small straining surface fig " - 2" Max. 16 bar Max. 125 C Standard and coarse strainer element DN Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard mesh size DN Fittings BA page 331

6 BSP female threaded, cast iron Econ strainer for general use. BSP female threaded connection acc. to DIN 259, stainless steel strainer element. Up to 1 " size, this strainer is fitted with threaded cap, larger sizes have a bolted cover. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Cast iron GJ-250 (GG-25) Threaded cap Brass Bolted cover Cast iron GJ-250 (GG-25) Strainer screen Stainless steel X5CrNi Perforation size Ø Standard - " thru 2" 1.0 mm - 2 " and 3" 1.25 mm Fine 0.25 mm Coarse 3.0 mm 10 bar C Ordering code DN ["] Perf. size Standard Fine Coarse Pressure rating PN 10 fig "- 3" Max. 10 bar Max. 200 C Standard, fine and coarse strainer element DN Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard mesh size DN Fittings BA page 332

BSP female threaded, steel eavy-duty strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body " and " Forged steel C22G2 (C 22.8) 1.

7 BSP female threaded, steel eavy-duty strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body " and " Forged steel C22G2 (C 22.8) Body " thru 2" Cast steel GP240G + N (GS-C25N) N Threaded cap " thru 1" Forged steel C22G2 (C 22.8) Threaded cap 1 " thru 2" Cast steel GP240G + N (GS-C25N) N Strainer element Stainless steel X2CrNiMo (G-X2CrNiMo18 10) Perforation Ø Standard 0.8 mm Fine 0.4 mm 45 bar C 35 bar C Ordering code DN ["] Perf. size Standard Fine Pressure rating PN 40 fig. 967 " - 2" Max. 45 bar Max. 400 C Standard and fine strainer element DN Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard perforation size DN Fittings BA page 333

8 BSP female threaded, stainless steel Index and product compare page 335 page 336 ight construction Small straining surface "- 2" Max. 24 bar Max. 200 C Standard strainer element Pressure rating PN 64 " - 2" Max. 65 bar Max. 400 C Standard and fine strainer element Fittings BA page 334

BSP female threaded, stainless steel ight constructed strainer for general use. BSP female threaded connection acc. to DIN 259, stainless steel strainer element and threaded cap.

9 BSP female threaded, stainless steel ight constructed strainer for general use. BSP female threaded connection acc. to DIN 259, stainless steel strainer element and threaded cap. Fitted standard with drain plug. Purpose: exceptionally suitable for gases. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Stainless steel X5CrNiMo Threaded cap Stainless steel X5CrNiMo Strainer element Stainless steel X5CrNiMo Perforation Ø Standard 1.0 mm 24 bar C 5 bar C Ordering code DN ["] Perf. size ight construction small straining surface fig "- 2" Max. 24 bar Max. 200 C Standard strainer element DN Weight Strainer Kv value ["] [kg] [cm2] DN Fittings BA page 335

10 BSP female threaded, stainless steel eavy-duty strainer for general use. BSP female thread connection acc. to DIN 259, stainless steel strainer element and threaded cap. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Stainless steel X5CrNiMo Threaded cap Stainless steel X5CrNiMo Strainer element Stainless steel X2CrNiMo (G-X2CrNiMo18 10) Perforation Ø Standard 0.8 mm Fine 0.4 mm 65 bar C 45 bar C Ordering code DN ["] Perf. size Fine Pressure rating PN 64 fig. 968 " - 2" Max. 65 bar Max. 400 C Standard and fine strainer element DN Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard perforation size DN Fittings BA page 336

DIN flanges, bronze Econ strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Bronze CuSn5Zn5Pb5-C (G-CuSn5ZnPb (Rg 5)) 2.1096.

11 DIN flanges, bronze Econ strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Bronze CuSn5Zn5Pb5-C (G-CuSn5ZnPb (Rg 5)) Threaded cap thru DN 80 Brass Bolted cover starting from DN 100 Bronze CuSn5Zn5Pb5-C (G-CuSn5ZnPb (Rg 5)) Strainer element up to DN 80 Stainless steel X5CrNi Strainer element from DN 100 Nickel Perforation size Ø Standard DN 15 thru DN mm DN 65 and DN mm DN 100 thru mm Fine 0.25 mm Coarse 3.0 mm up to DN bar C DN 200 and bar C Options Fig Body and cap in other bronze material Cover with drain connection Strainer element with other perforation size and/or other material Magnetic insert Pressure rating PN 16 fig fig DN Max. 16 bar Max. 200 C Standard, fine and coarse strainer element Ordering code DN ["/mm] Perf. size Standard Fine Coarse mm - 50 mm mm - 80 mm mm mm A DN DN Fig. A Weight Strainer Kv value [kg] [cm2] Kv values apply only to the standard mesh size A DN Fig DN Fig DN Fig DN Fittings BA page 337

DIN flanges, (ductile) cast iron and steel Strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Strainer element Stainless steel X5CrNi18-10 1.

12 DIN flanges, (ductile) cast iron and steel Strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Strainer element Stainless steel X5CrNi Fig Body Cast iron GJ-250 (GG-25) Bolted cover Cast iron GJ-250 (GG-25) Fig Body Ductile cast iron GJS T (GGG-40.3) Bolted cover Ductile cast iron GJS T (GGG-40.3) Fig Body Cast steel GP240G + N (GS-C25N) N Bolted cover Forged steel C22G2 (C 22.8) Perforation size Ø Standard DN 10 thru DN mm DN 65 and DN mm DN 100 thru DN mm Fine 0.25 mm Coarse 3.0 mm Fig is standard equipped with a drain plug in the cover. Options Cover with drain connection Magnetic insert Pressure rating PN 16 / 25 / 40 fig fig fig DN Face To Face EN 558-1, 1 (DIN 3202-F1) Max. 300 C Standard, fine and coarse strainer element Fig Fig Fig bar C 25 bar C 40 bar C 13 bar C 22 bar C 35 bar C Ordering code Pressure rating DN Material Perf. size body Standard Fine Coarse 1019 PN Cast iron PN Cast iron PN Cast iron PN Ductile cast iron PN Ductile cast iron PN Ductile cast iron PN Ductile cast iron PN Cast steel PN Cast steel PN Cast steel DN A Weight Strainer Kv value Fig Fig [kg] [cm2] Kv values apply only to the standard mesh size A DN Fittings BA page 338

DIN flanges, stainless steel Strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. From DN 65 upwards standard with drain plug.

13 DIN flanges, stainless steel Strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. From DN 65 upwards standard with drain plug. Body Stainless steel GX5CrNiMo (G-X6CrNiMo18 10) Bolted cover Stainless steel GX5CrNiMo (G-X6CrNiMo18 10) Strainer element Stainless steel X5CrNiMo Perforation size Ø Standard DN 15 thru DN mm DN 65 thru DN mm Fine 0.25 mm Coarse 3.0 mm 40 bar - 20 C 30 bar C 21 bar C Option Magnetic insert Ordering code DN Perf. size Standard Fine Coarse Pressure rating PN 40 fig DN Face To Face EN 558-1, 1 (DIN 3202-F1) Max. 300 C Standard, fine and coarse strainer element DN A Weight Strainer Kv value [kg] [cm2] Kv values apply only to the standard mesh size A DN Fittings BA page 339

Socket weld, steel heavy-duty strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body " and " Forged steel C22G2 (C 22.8) 1.

14 Socket weld, steel heavy-duty strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body " and " Forged steel C22G2 (C 22.8) Body " thru 2" Cast steel GP240G + N (GS-C25N) N Threaded cap " thru 1" Forged steel C22G2 (C 22.8) Threaded cap 1 " thru 2" Cast steel GP240G + N (GS-C25N) N Strainer element Stainless steel X2CrNiMo (G-X2CrNiMo18 10) Perforation size Ø Standard 0.8 mm Fine 0.4 mm 45 bar C 35 bar C Ordering code DN ["] Perf. size Standard Fine Pressure rating PN 40 fig. 969 " - 2" Max. 45 bar Max. 400 C Standard and fine strainer element DN D1 D2 E Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard perforation Welding socket connection as per BS 3799 class 3000 lb. E D1 D2 Fittings BA page 340

Socket welding, stainless steel strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Stainless steel X2CrNiMo17-12-2 (G-X2CrNiMo18 10) 1.

15 Socket welding, stainless steel strainer for general use. Suitable for use in horizontal and vertical pipelines with a downward flow. Body Stainless steel X2CrNiMo (G-X2CrNiMo18 10) Threaded cap Stainless steel X2CrNiMo (G-X2CrNiMo18 10) Strainer element Stainless steel X2CrNiMo (G-X2CrNiMo18 10) Perforation size Ø Standard 0.8 mm Fine 0.4 mm 65 bar C 45 bar C Ordering code DN ["] Perf. size Standard Fine Pressure rating PN 64 fig. 970 " - 2" Max. 65 bar Max. 400 C Standard and fine strainer element DN D1 D2 E Weight Strainer Kv value ["] [kg] [cm2] Kv values apply only to the standard perforation Welding socket connection as per BS 3799 class 3000 lb. E D1 D2 Fittings BA page 341

ASME flanges, steel Strainers for general use. Application: steam, water, oil and other process liquids. Fitted with drain plug. On request, supplied including EN 10204 3.1B certificate.

6 mm Perforation size Ø 0.6 mm ASTM A216 WCB -29/38 93 149 204 260 316 343 371 399 427 454 482 510 538 [ C] 150 lbs 19.7 17.9 15.9 13.8 11.7 9.7 8.6 7.6 6.6 5.5 4.5 3.4 2.4 1.4 [bar] 300 lbs 51 46.

16 ASME flanges, steel Strainers for general use. Application: steam, water, oil and other process liquids. Fitted with drain plug. On request, supplied including EN B certificate. Component Material US Body Cast steel ASTM A216-WCB Bolted cover Forged steel ASTM A105(N) Drain plug Stainless steel AISI 304 Strainer screen Stainless steel AISI 304 Perforation size 0.6 mm Perforation size Ø 0.6 mm ASTM A216 WCB -29/ [ C] 150 lbs [bar] 300 lbs [bar] 600 lbs [bar] ASTM A216 WCB is not recommended for long-term duty above 426 C Check the values above and any additional remarks against ASME B16.34 (latest edition) Options Other strainer element perforation Class 900# and 1500# arger sizes Corrosion-resistant or heat-resistant steel Pressure rating 150# - 300# - 600# fig fig fig " - 12" Face To Face as per ANSIB16.10 Flanges as per ANSIB16.5 Ordering code Pressure rating DN ["] bs bs bs Figure DN A 1 Weight ["] [kg] A DN Fig Fittings BA page 342

Temporary DIN wafer type, stainless steel Temporary strainer, intended solely for use during start up of new installations, and to be removed thereafter.

17 Temporary DIN wafer type, stainless steel Temporary strainer, intended solely for use during start up of new installations, and to be removed thereafter. Suitable for use in horizontal and vertical pipelines with a downward flow. This filter can be installed between PN 16 / ASME 150# flanges with the cone of the strainer pointing against the flow direction. Strainer screen and outer ring Stainless steel X5CrNi Perforation size Ø Standard DN 25 thru DN mm Coarse DN 25 t/m DN mm DN 25 thru DN 50 3 bar C DN 65 thru DN 80 2 bar C DN 100 thru DN bar C DN 200 thru DN bar C Ordering code DN Perf. size Standard Coarse Easy installation fig DN Max. differential pressure 3 bar Max. 200 C Standard and coarse perforation flow DN D S Strainer [cm2] S D DN Fittings BA page 343

Single basket strainer DIN flanges, ductile cast iron Simplex basket strainer for general use. This strainer is fitted with a drainplug and venting cock.

18 Single basket strainer DIN flanges, ductile cast iron Simplex basket strainer for general use. This strainer is fitted with a drainplug and venting cock. By installing a ringtype basket the screen surface area can be increased. Up to DN 200, equipped with quick release cover. Suitable for use in horizontal pipelines only. Body and cover Fig Ductile cast iron GJS (GGG-50) Cover seal NBR Drain plug Brass Venting valve Brass Strainer element Stainless steel X5CrNiMo DN 20 - DN bar - 80 C DN 32 thru DN bar - 80 C DN 125 thru DN bar - 80 C Strainer basket options Many perforation sizes available, from 0.04 up to 8 mm Strainer basket executed as single basket, 2 Stage basket, ringtype basket or jacketed basket Standard executed in perforated SS sheet, with or without additional wire mesh Various materials available Pressure rating PN fig fig. 1096X DN Max. 16 bar Max. 80 C Many options available Strainer body options Finished with external epoxy coating Body in Bronze or welded steel construction Body with threaded connections, available in various materials ( PN 6 ) Body with enlarged volume for high debris loading Bolted cover for higher operating pressures Cover seal in other materials Drainplug and venting cock in other materials Magnetic insert eating insert (several types) Differential pressure gauge Ordering code Part Material DN Perf. size 1096 Strainer body Ductile cast iron X Strainer screen ) 1) Perf. size DN Weight Strainer diameter height basket strainer ring strainer opp. [kg] [cm2] Fittings BA page 344

19 Duplex strainer DIN flanges cast iron page 346 page 347 DN DN PN 10 Max. 10 bar Max. 80 C Many options available PN 10 Max. 10 bar Max. 80 C Many options available Index and product compare Fittings BA page 345

20 Duplex strainer DIN flanges cast iron Duplex strainer for general use. Suitable for coarse and fine filtration in suction or pressure lines. This strainer consists of two single basket strainers and a diverter valve in a single body. This makes it suitable for continuous service. The diverter valve is executed as a double plug valve. Standard fitted with 2 basket strainer elements, drain and venting plugs and quick-opening clamps. May only be used in horizontal pipelines. Body Cast iron GJ-250 (GG-25) Diverter valve Cast iron, nickel plated GJ-250 (GG-25) Covers Cast iron GJ-250 (GG-25) Seals NBR Drain and venting plug Brass Strainer element Stainless steel X5CrNiMo bar - 80 C Strainer element options Many different perforation sizes available from 0.04 thru 8 mm Strainer baskets executed as single basket, 2 Stage basket or ringtype basket Standard executed in perforated SS sheet, with or without additional wire mesh Various materials available DN fig fig. 1098X PN 10 Max. 10 bar Max. 80 C Many options available Body options Body, covers and clamps in stainless steel or bronze Rg5 Finished with external epoxycoating Bolted cover for higher operating pressures. Cover seals of PTFE or VITON Drain plug in different materials Magnetic inserts eating inserts (several types) Differential pressure gauge Ordering code Part DN 1098 Strainer body X Strainer screen DN Weight Strainer diameter height basket strainer opp. [kg] [cm2] Fittings BA page 346

21 Duplex strainer DIN flanges cast iron Duplex basket strainer for general use. Suitable for coarse and fine filtration in suctionand pressure pipelines. This strainer consists of two simplex basket strainers with a diverter valve in a single body. This makes it particularely suitable for continious service. The diverter valve is executed as a double rotating disc valve. Fitted with drainplugs, venting cocks and quick release covers. By installing a ringtype screen basket the screen surface area can be increased. Suitable for use in horizontal pipelines only. Body Cast iron GJ-250 (GG-25) Diverter valve Cast iron GJ-250 (GG-25) Covers Cast iron GJ-250 (GG-25) Seals NBR Drain and venting plug Brass 10 bar - 80 C Strainer basket options Many perforation sizes available, from 0.04 up to 8 mm Basket executed as single basket, 2 Stage basket or ringtype basket Standard executed in perforated SS sheet, with or without additional wire mesh. Various materials available DN fig fig. 1099X PN 10 Max. 10 bar Max. 80 C Many options available Strainer body options Body and covers in Stainless steel or Bronze Diverter valve in bronze ( for water ) Finished with external epoxycoating Bolted covers for higher operating pressures Cover seals in other materials Drainplugs and venting cocks in other materials Magnetic inserts Various heating options Differential pressure gauge Ordering code Part DN 1099 Strainer body X Strainer screen DN Weight Strainer diameter height basket strainer opp. [kg] [cm2] Fittings BA page 347

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